Keith Black Pistons KB596LCA.STD Standard Pistons w/11.7:1 Compression Ratio for Milwaukee-Eight Touring 17-Up/Softail 18-Up w/Big Bore 114/117ci/128c

Description for Std Pistons with 11.7:1 Compression Ratio. Fits Milwaukee-Eight 2017up with Big Bore 114 or 117ci to 128ci 4.250in. Cylinders.

Features & Benefits:-

• Super Duty KB Forged Coated Anodized Piston Kit.

• 114 or 117ci to Big bore 128in. piston kit for Milwaukee 8 when using 4.250in. Bore Cylinders

• No head modification required.

• Anodized top ring groove and crown.

• Line2Line abradable skirt coating applied to .003in. total thickness for a Zero initial fit to allow coating to hone in for a tight quiet running clearance.

• Round Wire Locks.

• Premium Hastings 1.5mm 1.5mm 3.0mm S teel Nitride top ring with a Ductile Napier second.

• Forced wrist pin oiling

• Complete kit includes: two pistons, rings, wrist pins and clips.

Tech Tips:-

• Follow Ring Eng Gap & Piston to Cylinder Clearances as per the supplied Manufacturers Instructions.

• The 4.250in. bore will net 128in. with a 11.7:1 compression ratio with a stock cylinder head.

• Valve Pockets designed to accept up to a +4mm oversized intake and exhaust valves.

• Requires Daytona in.Drop Inin. 4.250in. bore cylinders #DAY-88186.

• No Case machining required.